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Many men repairing a car, or just in everyday life, faced with the "become attached" bolts and nuts. Fight with rusted fasteners sometimes have a clock, and the master of all the risks often break, but also to fill a bunch of bruises. How to avoid it and learn how to easily and simply unscrew the old bolts, see our review.
1. Patience
The first and most important thing to have in such a situation - it is self-control and patience. If you become attached bolt can not be, do not make super efforts to immediately move it. So you can break the head and tighten the repairs, they say, with their own hands. There are many effective tools to help loosen the problematic hardware. Read more about them - in the following paragraphs of this review.
2. Remove rust
Bolt or nut to make it easier to unscrew, it is necessary to remove all dirt, rust and paint. It is best suited for this hard metal brush. Particular care is necessary to remove the rust from the threads.
3. tool selection
To become attached to unscrew the bolt or nut, or need a spanner head, preferably with 6 faces. Normal open-end wrench is likely to slip, slizhet faces and can lead to injury. 12- and 18-sided tool to use is undesirable, as the probability of slippage.
If the fasteners, and so lapped, is to acquire a special head, which is called "for the torn edges" or extractor.
4. sense of rotation
Most people are accustomed to the fact that all the screws are twisted clockwise and unscrew - against. But cars are often used to mount the opposite direction of the thread, for example, fastening left wheel studs. Those who do not know, for sure, will be a long time to "play".
5. Lubricate rusty thread
On the nuts and bolts, which are not easy to want the ultimate joint, you can apply one of the many lubricants. Do motorists very popular penetrating oil such as WD-40. By the way, this is a very useful drug in the solution other domestic problems.
Penetrating oil abundantly put on the mating surfaces of parts, and leave at any time. If the bolt or nut is very rusty, you can leave the "chemistry" to work all night.
You can also moisten the parts rusted kerosene solvent with plain water or a Coke. These tools also help a bit.
6. We are looking for a longer arm
The more the pen tool which rip become attached bolt, the greater the likelihood that he will succumb. However, if the items are held tightly, then proceed to the next step.
7. We warm up detail
If you can not unscrew the fastener head even with a long arm, the connection should warm up. Professionals for this purpose use an acetylene torch. But if it is not on hand, fit and mini gas burner, which can be bought on the market.
Twisting the pin of the aluminum cylinder block, warms the block itself around the thread. Thus periodically obstukivaem pin circle. And if you need to unscrew the nut, then Gray it with one hand, and also obstukivaem hammered from all sides.
8. means of last resort
Even if the heat does not help, then rusted fasteners with high probability can not be saved. Pneumatic or electric percussion instrument is very effective, but often wrenches pluck heads of "complex" bolts.
Loosening the nuts problem also often ends in their mechanical removal. For this purpose the nut is cut into pieces saw or grinder can also be Drill with a drill in several places. Sometimes only two nadpilov on opposite sides, and the nut starts to rotate. And the easiest way to quickly split the old nut - to use a special device known as gaykorezy or gaykokol.
When removing the nuts become attached listed above methods sometimes damaged thread. To its "equalize" enough to banish spoiled stud ram.
And all men need to know, what to do if you must close the ball valve jammed.
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A source: https://novate.ru/blogs/040818/47346/